| Letchworth to Leopoldsburg | 243.03 mi (391.13 km) |
| Letchworth to Lessines | 195.78 mi (315.07 km) |
| Letchworth to Leuven | 225.38 mi (362.72 km) |
| Letchworth to Lichtervelde | 158.67 mi (255.35 km) |
| Letchworth to Liedekerke | 201.04 mi (323.54 km) |
| Letchworth to Liege | 266.97 mi (429.64 km) |
| Letchworth to Lierre | 214.12 mi (344.60 km) |
| Letchworth to Lille | 223.23 mi (359.26 km) |
| Letchworth to Lint | 211.03 mi (339.63 km) |
| Letchworth to Lochristi | 184.83 mi (297.45 km) |
| Letchworth to Lokeren | 190.92 mi (307.26 km) |
| Letchworth to Lommel | 243.45 mi (391.80 km) |
| Letchworth to Londerzeel | 206.23 mi (331.89 km) |
| Letchworth to Louvain-la-Neuve | 223.38 mi (359.49 km) |
| Letchworth to Lovendegem | 175.39 mi (282.26 km) |
